1    /// <summary>
2    /// CplProduitComparer is used to sort the generic collection of the CplProduit class
3    /// </summary>
4    public class CplProduitComparer : IComparer<CplProduit>
5    {
6        #region Constructor   ...
7
8        public CplProduitComparer(string p_propertyName)
9        {
10            //We must have a property name for this comparer to work
11            this.PropertyName = p_propertyName;
12        }
13        #endregion
14        #region Property   ...
15
16        private string _propertyName;
17
18        public string PropertyName
19        {
20            get { return _propertyName; }
21            set { _propertyName = value; }
22        }
23        #endregion
24        #region IComparer<CplProduit> Members   ...
25
26
27        /// <summary>
28        /// This comparer is used to sort the generic comparer
29        /// The constructor sets the PropertyName that is used
30        /// by reflection to access that property in the object to 
31        /// object compare.
32        /// </summary>
33        /// <param name="x"></param>
34        /// <param name="y"></param>
35        /// <returns></returns>
36        public int Compare(CplProduit x, CplProduit y)
37        {
38            Type t = x.GetType();
39            PropertyInfo val = t.GetProperty(this.PropertyName);
40            if (val != null)
41            {
42                return Comparer.DefaultInvariant.Compare(val.GetValue(x, null), val.GetValue(y, null));
43            }
44            else
45            {
46                throw new Exception(this.PropertyName + " is not a valid property to sort on.  It doesn't exist in the Class.");
47            }
48        }
49        #endregion
50    }